Updated 24 Oct 2014
Advertisement
IObit Advanced SystemCare 7.4.0.474
An excellent freeware registry cleaner and optimizer: IOBit's freeware registry cleaner, Advanced SystemCare is a comprehensive PC tune-up and registry optimizer geared towards users running the latest versions of Windows with support also for older versions like Windows XP and the upcoming Windows 8 release.
25.88 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree
IOBit Advanced SystemCare Review - System Cleaner Download
AVG PC Tuneup 15.0.1001.105
AVG PC Tuneup is an extensive tool which allows its users to completely overhaul their system in terms of performance.
56.0 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPShareware
AVG PC Tuneup Review - System Cleaner Download
Puran Utilities 3.0
A true all-in-one "swiss army knife" system maintenance and optimization suite: Puran Utilities is a collection of 24 different utilities designed to clean up and speed up your computer; it includes tools which can be described as clean-up, maintenance, security and registry cleaning.
9.88 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree
Puran Utilities Review - System Cleaner Download
BleachBit 1.5.1
A system cleaner which protects privacy and removes junk: BleachBit is an extremely useful and versatile freeware portable system cleaning application which removes junk from your PC extremely effectively and quickly.
6.13 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree
BleachBit Review - System Cleaner Download
The PC Decrapifier 2.3.1
Remove preinstalled junk in one fell swoop: Recently purchased a new PC or thinking of getting one?
1.28 MB | For Windows 7, Windows 8 / Vista / XPFree
The PC Decrapifier Review - System Cleaner Download
Remo MORE 1.0.0.88
If you've found yourself in a situation where your computer has slowed to a crawl, it may be time to start looking for some software to help optimize various components and services.
25.7 MB | For Windows 7, Windows 8 / Vista / XPFree
Remo MORE Review - System Cleaner Download
HD Cleaner 3.204
Cleans junk from your hard drive: HDCleaner clears the fixed disk and removes unnecessary file garbage from all available drives.
2.36 MB | For Windows 7 / Vista / XP / 2000 / MEShareware
DustBuster 2.0
DustBuster is a garbage file removing utility for Microsoft Windows operating systems.
299 KB | For Windows 7 / Vista / XP / NTFree
DustBuster Review - System Cleaner Download
JetClean 1.5.0
Provides tweaks and improvements for Windows and startup: CCleaner and Advanced SystemCare are two programs which many know.
3.45 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree
JetClean Review - System Cleaner Download
Duplicate Finder 5.4
Clean your PC of duplicate files: Duplicate Finder is a duplicate file cleaner which uses CRC32 or exact byte matches to find files on your PC which are exactly the same.
0.91 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree
Duplicate Finder Review - System Cleaner Download
MSConfig Cleanup 1.43
Effective software at removing junk from your MSConfig: Cleanup MSConfig disabled items.
0.67 MB | For Windows 7, Windows 8 / Vista / XP / NTFree
Glary Utilities 5.10.0.17
Free System Optimizer: We were very surprised to find a freeware utility like Glary Utilities which did so much without having the nag the user to upgrade to a full version.
8 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree
Glary Utilities Review - System Cleaner Download
WinUtilities Free 11.23
Very useful utility pack for Windows optimization: There are plenty of freeware utilities on the market which promise to clean your system and bring it up to par with something that you might see in the shoppes, but a lot of them fail miserably or only barely make your system perform better.
5.66 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree
WinUtilities Free Edition Review - System Cleaner Download
CCleaner 4.18.4844
A must-have Swiss army knife, freeware system utility: Simply the best free registry cleaner, CCleaner supports both Windows 32-bit and Windows 64-bit.
2.9 MB | For Windows 7, Windows 8 / Vista / XPFree
CCleaner Review - System Cleaner Download
Free Internet Window Washer 3.6
Free Internet Window Washer is a free privacy cleaner to remove internet tracks and computer activities.
1.24 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree
Baidu PC Faster 5.0.4.87531
Provides several PC optimizations to improve PC performance and clean up Internet history: Baidu PC Faster is an advanced optimization and security application that makes your PC perform like new again using four cleaning modes and more than 300 cleaning checkpoints.
1.5 MB | For Windows 7, Windows 8 / Vista / XPFree
Advanced Win Cleaner 1.0.0.1
A windows optimizer and system cleaning utility: It is the easiest and most comprehensive way to keep your PC running cleaner, faster and error free.
1.1 MB | For Windows 7, Windows 8 / Vista / XP / NTShareware
CM DiskCleaner 2.1.7
CM DiskCleaner is an award-winning disk cleaning and optimizing tool for your computer.
6.85 MB | For Windows 7, Windows 8 / Vista / XP / NTFree
Duplicate File Finder 4.0.2
Duplicate File Finder (and we should add, deleter) is a freeware application developed by Auslogics and certainly one of the best freeware system cleaning applications featured on this site.
4.78 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree
Duplicate File Finder Review - System Cleaner Download
Advanced System Optimizer 3.0
Software to optimize your Windows system: This system optimizer includes 30+ tools to supercharge your PC's performance, and more than 200 tweaks to customize Windows to your liking, and improve its performance.
9.99 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPShareware
WinTools Professional 14.0.1
A system cleaning application which aims to improve system performance: A suite of tools for increasing MS Windows operating system performance.
1.43 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPShareware
Kingsoft PC Doctor 3.7.0.47
Feature-packed system diagnostics tool and optimizer: Freeware fans should be happy to learn that Kingsoft has released a bundle of applications which tune and optimize Windows.
5.32 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree
PC Doctor Review - System Cleaner Download
Wise Disk Cleaner 8.32
A PC system cleaning application with well thought-out features: Talk about useful!
2.39 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree
Wise Disk Cleaner Review - System Cleaner Download
IObit Toolbox 1.2
IObit Toolbox is a free portable system maintenance application which can be run from a USB stick.
21.46 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree
IObit Toolbox Review - System Cleaner Download
Windows CleanUp! 4.5.2
Windows CleanUp!
331.31 K | For Windows 7, Windows 8 / Vista / XPFree
Windows CleanUp Review - System Cleaner Download
Clean Disk Security 8.0
This program gives you secure file deletion, making sure that deleted files cannot be undeleted again.
1.06 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPShareware
360Amigo 1.2.1.8200
Whether you've owned your PC for a while or you've just purchased it to realize that it's completely filled with bloatware and useless applications, you might have realized that it is inherently slow.
6.17 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree
SpeedItup Free Review - System Cleaner Download
System Ninja 3.0.3
System Ninja is a fast, powerful and effective system optimization solution for Windows XP, Windows Vista and Windows 7.
1.82 MB | For Windows 7, Windows 8 / Vista / XPFree
ToolWiz Care 3.1.0.5500
ToolWiz Care is a set of free-of-charge tools designed to speed up your PC and give your system a full range of care.
7.3 MB | For Windows 7, Windows 8 / Vista / XPFree
nCleaner 2.3.4
A freeware system cleaner and optimization application: At times, your PC might get a little bit bogged down due to the various changes and messes left behind by uninstalled or even installed, but recent closed programs.
0.85 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree
nCleaner Review - System Cleaner Download
nLite 1.4.9.3
Every now and then, it can become a pain when you're having to deal with unwanted Windows components which are usually impossible or very difficult to remove.
2.5 MB | For Windows 7, Windows 8 / Vista / XPFree
nLite Review - System Cleaner Download
Temp File Cleaner 4.4.0
Temp File Cleaner has a pretty basic task: To clean temporary files from your system that may be wasting space and in some cases, slowing down your entire system.
1.88 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree
Temp File Cleaner Review - System Cleaner Download
Mutilate File Wiper 2.97
Delete your sensitive files permanently.
0.85 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPShareware
RWipe and Clean 10.3
A complete solution to wipe useless files and keep your computer privacy.
3.54 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPShareware
Alien Registry Viewer 3.6.660
Alien Registry Viewer is similar to the RegEdit application included into Windows, but unlike RegEdit, it works with standalone registry files.
0.43 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree Trial
CCleaner Portable 4.18.4844
CCleaner is our system optimization, privacy and cleaning tool.
5.1 MB | For Windows 7, Windows 8 / Vista / XPFree
My Duplicate File Finder 1.10
My Duplicate File Finder is a small and lightweight free program which can locate duplicate files quickly and efficiently by calculating MD5 hashes.
108 KB | For Windows 7, Windows 8 / Vista / XPFree
My Duplicate File Finder Review - System Cleaner Download
File Shredder 2.5
File Shredder is free, secure and fast application to permanently shred and delete files and folders on your computer.
2.25 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree
Ashampoo WinOptimizer 11.00.41
Ashampoo WinOptimizer is an application designed to help users maintain, optimize and cleanup their system more easily without having to use multiple third party programs.
| For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPShareware
Ashampoo WinOptimizer Review - System Cleaner Download
Acebyte Utilities 3.1.1.0
When your Windows PC starts to slow down or you're experiencing severe slowdowns when you're booting your system up, it might be time to start tuning up your computer.
16.59 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree
Acebyte Utilities Review - System Cleaner Download
Avira System Speedup 1.3.1.9970
Over time, any PC will accumulate hundreds of thousands of unseen and unnecessary processes.
2.5 MB | For Windows 7, Windows 8 / Vista / XPShareware
PC Health Optimizer 2.5
Freeware optimization utility: Featuring a set of 10 different tools in various areas, PC Health Optimizer (Free Version) will improve the performance of your Windows-based system by performing clean-up and optimization taks on the registry, your system memory, hard drives and more.
10.76 MB | For Windows 7, Windows 8 / Vista / XP / NTFree
PC Health Optimizer Free Edition Review - System Cleaner Download
Norton PC Checkup 3.0
Norton PC Checkup is a free tool that Symantec offers you so you may check whether your computer is running at peak performance; of course, they also include a basic virus-scanner which checks your PC for malware or viruses.
11.6 MB | For Windows 7, Windows 8 / Vista / XPFree
Norton PC Checkup Review - System Cleaner Download
Rising PC Doctor 6.0.5.59
Rising PC Doctor includes a bunch of different tools for the maintenance and security of your personal computer.
8.58 MB | For Windows 7, Windows 8 / Vista / XP / NTFree
Rising PC Doctor Review - System Cleaner Download
Ashampoo WinOptimizer 11.00.41
An effective optimizer for tweaking and speeding up Windows computers: WinOptimizer Platinum by Ashampoo is a complete and comprehensive set of utilities which keeps your Windows PC in top operating condition.
11.65 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPShareware
Ashampoo WinOptimizer Platinum 3 Review - System Cleaner Download
Anti-Twin 1.8d
Surely if you've had your PC long enough without a reinstall of Windows, you have a lot of various duplicate files laying around on your PC.
890 KB | For Windows 7, Windows 8 / Vista / XPFree
Anti Twin Review - System Cleaner Download
Comodo System Utilities 4.0
Comodo System Utilities is a free suite of PC optimization utilities built and designed by the folks being the highly popular Comodo Antivirus and Internet Security suites.
12.9 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree
Comodo System Utilities Review - System Cleaner Download
PrivaZer 2.23
PrivaZer is a free cleaner that helps you master your security and freedom at home and at work.
4.84 MB | For Windows 7, Windows 8 / Vista / XPFree
Auslogics Registry Defrag 7.5.4
After you have run any type of registry cleaner, your Windows Registry will generally have empty spaces between keys which in turn makes your registry fragmented.
4.81 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree
Auslogics Registry Defrag Review - System Cleaner Download
DiskMax 4.71
DiskMax is a small-ish utility which essentially deletes useless files left-over on your hard drive.
1.16 MB | For Windows 7, Windows 8 / Vista / XPFree
DiskMax Review - System Cleaner Download